Metal article, method for manufacturing the metal article, and metal composite
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United States of America Patent
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Apr 18, 2023
Grant Date -
Dec 2, 2021
app pub date -
May 27, 2021
filing date -
May 28, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A metal article comprises two metals, and a first hole and an oxide layer are set correspondingly on the surfaces of the two metals. To avoid the electrolytic corrosion on the interface between the two metals during the formation of the first hole, the disclosure provides a method of manufacturing the metal article. By putting a metal substrate in a first electrolyte including an etching agent and a passivating agent and applying electricity on the metal substrate, the metal article with the first hole is formed without electrolytic corrosion. The disclosure also provides a metal composite, which is formed by setting a material part in the first hole of the metal article.
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